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TSM1012

LOW CONSUMPTION VOLTAGE AND CURRENT CONTROLLER FOR BATTERY CHARGERS AND ADAPTORS

STMicroelectronics 

TSM1012

LOW CONSUMPTION VOLTAGE AND CURRENT

CONTROLLER FOR BATTERY CHARGERS AND ADAPTORS

s CONSTANT VOLTAGE AND CONSTANT

CURRENT CONTROL

s LOW CONSUMPTION

s LOW VOLTAGE OPERATION

s LOW EXTERNAL COMPONENT COUNT

s CURRENT SINK OUTPUT STAGE

s EASY COMPENSATION

s HIGH AC MAINS VOLTAGE REJECTION

VOLTAGE REFERENCE

s FIXED OUTPUT VOLTAGE REFERENCE

1.25V

s 0.5% AND 1% VOLTAGE PRECISION

DESCRIPTION

TSM1012 is a highly integrated solution for SMPS

applications requiring CV (constant voltage) and

CC (constant current) mode.

TSM1012 integrates one voltage reference and

two operational amplifiers (with ORed outputs -

common collectors).

The voltage reference combined with one

operational amplifier makes it an ideal voltage

controller. The other operational, combined with

few external resistors and the voltage reference,

can be used as a current limiter.

APPLICATIONS

s ADAPTERS

s BATTERY CHARGERS

ORDER CODE

Part

Number

Temperature Package Vref

Range

SD %

Marking

TSM1012I -40 to 105°C

TSM1012AI -40 to 105°C

TSM1012I -40 to 105°C •

TSM1012AI -40 to 105°C •

• 1 M1012

• 0.5 M1012A

1 M804

0.5 M805

D = Small Outline Package (SO) - also available in Tape & Reel (DT

S = Small Outline Package (MiniSO8) - also available in Tape & Reel (ST)

D

SO-8

(Plastic Package)

S

MiniSO-8

(Plastic Micropackage)

PIN CONNECTIONS (top view)

Vref

1

CC-

2

CC+

3

CV-

4

1,25V 28V

CC

CV

Vcc

8

Out

7

Gnd

6

CV+

5

February 2004

1/8

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